adj.
Pronunciation: -f ə l
Function: adjective
Date: 15th century
: having a tendency or disposition to deceive: a : not honest <a deceitful child> b : DECEPTIVE , MISLEADING < deceitful advertising>
synonyms see DISHONEST
– de · ceit · ful · ly \ -f ə -l ē \ adverb
– de · ceit · ful · ness noun